19455849

素因数分解:

$3^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 33146880

約数和(自身を除く): 13691031

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 311, 331, 933, 993, 2177, 2317, 2799, 2979, 6531, 6951, 8397, 8937, 19593, 20853, 58779, 62559, 102941, 308823, 720587, 926469, 2161761, 2779407, 6485283, 19455849]

約数ペア:

[(1, 19455849), (3, 6485283), (7, 2779407), (9, 2161761), (21, 926469), (27, 720587), (63, 308823), (189, 102941), (311, 62559), (331, 58779), (933, 20853), (993, 19593), (2177, 8937), (2317, 8397), (2799, 6951), (2979, 6531)]